Formerly the parish of St. Callistus, founded 1961. Redesignated Christ Cathedral Parish in 2014 after the diocese's acquisition of the former Crystal Cathedral, built in 1981; former St. Callistus campus sold to Shepherd's Grove
Korean Martyrs Catholic Center
7655 Trask Ave, Westminster
Established September 22, 1977 by Korean immigrants.[3]
St. Columban
10801 Stanford Ave, Garden Grove
Founded as a mission of St. Isidore's. Became parish 1953, moved to current church 1968.[4]
Served as the cathedral of the diocese from 1976 to 2019
La Purisma
11712 N. Hewes St, Orange
Established by Mexican farm workers in 1923. First church built 1958, current church completed 2005.[8]
San Antonio de Padua del Cañon
5800 E Santa Ana Canyon Rd, Anaheim Hills
First chapel dedicated to St. Anthony of Padua completed 1860 to serve Rancho Cañón de Santa Ana; became part of St. Boniface parish. New parish of San Antonio erected 1977, first Mass in current church celebrated February 8, 1991.[9]
Santa Clara de Asis
22005 Ave de la Paz, Yorba Linda
Established 2001; first Mass celebrated at St. Francis of Assisi School.
St. Angela Merici
585 S. Walnut Ave, Brea
Organized 1951 as a mission of St. Mary's in Fullerton, designated parish in 1957.[10]
St. Joseph
717 N Bradford Ave, Placentia
Founded 1952 from St. Mary's territory; first Mass in current church celebrated November 1, 1953.[11]
St. Martin de Porres
19767 Yorba Linda Blvd, Yorba Linda
Established August 1970 from St. Joseph's in Placentia; original church completed 1972. Current church completed 1982.[12]
St. Norbert
300 E. Taft Ave, Orange
Established 1963, current church completed 1967.[13]
Oldest continuously operating Catholic church in Orange County; established 1860 by German settlers; current church built 1964[14]
St. Juliana Falconieri
1316 North Acacia Ave, Fullerton
Established 1965; staffed by Servites since 1993[15]
St. Justin Martyr
2050 W. Ball Rd, Anaheim
St. Mary's
400 W. Commonwealth Ave, Fullerton
Established 1912.
St. Philip Benizi
235 S. Pine Dr, Fullerton
Established by the Servite Order in 1957 at the behest of the Archdiocese; originally met at Merilark Roller Rink. First church dedicated August 1959, destroyed by arson in 2000. Current church opened 2005.[16]
St. Pius V
7691 Orangethorpe Ave, Buena Park
Established 1948. Current church completed 1994. Staffed by Augustinians Fathers 1977 to 2005.[17]
Founded 1963 as a mission serving Leisure World residents; raised to parochial status 1969.[23]
Holy Spirit
17270 Ward St, Fountain Valley
St. Anne
340 10th St, Seal Beach
St. Bonaventure
16410 Springdale St, Huntington Beach
Established 1965
St. Joachim
1964 Orange Ave, Costa Mesa
Founded March 16, 1947, originally using a chapel and other former buildings of the Santa Ana Army Air Base. Chapel moved and dedicated June 13, 1948. Current church completed 1965. Mother church to St. John the Baptist.[24]
St. John the Baptist
1015 Baker St, Costa Mesa
St. Mary's by the Sea
321 10th St, Huntington Beach
Ss. Simon and Jude
20444 Magnolia St, Huntington Beach
Founded 1905 as St. Mary's mission of St. Joseph's in Santa Ana, elevated to parochial status 1912. Rededicated to Saints Simon and Jude 1921. Current church built 1973. Staffed by Franciscans from 1964[25]-2020.[26]
St. Vincent de Paul
8345 Talbert Ave, Huntington Beach
Established 1977 from the territory of Saints Simon and Jude, Saint Bonaventure, and Holy Spirit Churches. Staffed by Vincentian Fathers 1977 to 1995. Current church completed 2002.[27]
Established 2005. Current church opened 2017 and includes an 18th-century tabernacle and stained glass from the Marywood Chapel, which served the former diocesan offices.[31]
Used the Serra Chapel of the former Mission San Juan Capistrano until the current structure was completed in 1986. Designated a minor basilica in 2003.
Our Lady of Fatima
105 N La Esperanza, San Clemente
Founded 1946
St. Catherine of Siena
1042 Temple Terrace, Laguna Beach
Founded as St. Joseph, meeting in a former schoolhouse purchased by Joseph and Catherine Yoch (parents of Florence Yoch) in 1908. Ereceted as parish 1931.[32]
St. Edward the Confessor
33926 Calle La Primavera, Dana Point
Chapel (now dedicated to San Felipe de Jesus) built 1950 as a chapel-of-ease for Our Lady of Fatima in San Clemente. Granted parochial status 1969. Current church completed 1994.[33]
Our Lady of Lourdes, Santa Ana - Absorbed by Our Lady of La Vang in 2006
St. Callistus, Garden Grove - Parish was redesignated Christ Cathedral after the purchase of the former Crystal Cathedral; the former St. Callistus campus was sold to and used by the former Crystal Cathedral Ministries until 2018.
St. Isidore, Los Alamitos - Parish established in 1921, moved to new church in Los Alamitos in 1926. Suppressed 1960 in favor of St. Hedwig's. Re-opened for services in 1962, closed 1999 due to earthquake retrofit costs.[34]